来源：

题目： The Townville museum was open for 7 consecutive days. If the number of visitors each day was 3 greater than the previous day, how many visitors were there on the first day?(1) There were a total of 126 visitors for the 7 days.(2) The number of visitors on the seventh day was three times the number of visitors on the first day.

来源：

题目： In a certain school, there are 160 boys and 240 girls. If 15 percent of the boys are left-handed and 25 percent of the girls are left-handed, what percent of the school's entire student population is left-handed?

来源：

题目： In order to combat Carville's rampant homeless problem, Mayor Bloomfield recently proposed a ban on sleeping outdoors in the city's many parks. He claims that such a measure will force the homeless to either leave Carville or to find means other than sleeping in public parks. Which of the following, if true, suggests that Mayor Bloomfield's plan will be successful?

来源：

题目：

Shipping Clerk: The five specially ordered shipments sent out last week were sent out on Thursday. Last week, all of the shipments that were sent out on Friday consisted entirely of building supplies, and the shipping department then closed for the weekend. Four shipments were sent to Truax Construction last week, only three of which consisted of building supplies.

If the shipping clerk's statements are true, which of the following must also be true?

来源：

题目：

Which of the following can be inferred about supplier partnerships, as they are described in the passage?

来源：

题目：

The author of the passage compares the relationship between an organism's biological clock and its environment to the relation between a wristwatch and its owner most probably in order to

来源：

题目：

The primary purpose of the passage is to

来源：

题目：

The passage suggests which of the following about the accuracy of the commuter diatom's biological clock?

来源：

题目：

The ancient Anasazi harvested such native desert vegetation as the purple-flowered bee plant, what they now commonly call wild spinach in northern Arizona and other parts of the southwestern United States.

来源：

题目： A product that represents a clear technological advance over competing products can generally command a high price. Because technological advances tend to be quickly surpassed and companies want to make large profits while they still can, many companies charge the greatest price the market will bear when they have such a product. But large profits on the new product will give competitors a strong incentive to quickly match the new product's capabilities. Consequently, the strategy to maximize overall profit from a new product is to charge less than the greatest possible price.In the argument above, the two portions in boldface play which of the following roles?

来源：

题目：

The primary purpose of the passage as a whole is to

来源：

题目：

During her presidency of the short-lived Woman's State Temperance Society (1852-1853), Elizabeth Cady Stanton, as she was a staunch advocate of liberalized divorce laws, scandalized many of her most ardent supporters in her suggestion that drunkenness should be made sufficient cause for divorce.

来源：

题目： Tourists have long complained that hotel accommodations in Midville are too expensive. Starting last year, the city council, hoping to attract more tourists, lowered the hotel tax rate to 5 percent of room charges. By the end of last year, Midville had taken in no less money from hotel taxes than it did the year before, so an examination of the hotel records will show that more tourists stayed in city hotels last year than the year before.Which of the following is an assumption on which the argument depends?

来源：

题目：

The author mentions the Himalayan Mountains most likely in order to

来源：

题目：

According to the passage, the computer models(highlight text) referred to have had which of the following effects?